Home / 411,710.85-617,503.23-112,215.55

Finding the Fourth Proportional to 411,710.85, 617,503.23 and 112,215.55

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Solution

The fourth proportional to 411,710.85, 617,503.23 and 112,215.55 is: 168,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,710.85 : 617,503.23 = 112,215.55 : x
  2. Step 2: Convert to fraction form
    411,710.85/617,503.23 = 112,215.55/x
  3. Step 3: Cross multiply
    411,710.85x = 617,503.23 × 112,215.55
  4. Step 4: Simplify right side
    411,710.85x = 69,293,464,581.23
  5. Step 5: Solve for x
    x = 69,293,464,581.23/411,710.85
  6. Step 6: Final answer
    x = 168,306.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.